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2534416820 = 2251319749481
BaseRepresentation
bin1001011100010000…
…0010000110110100
320112121221201021122
42113010002012310
520142302314240
61055253203112
7116543121215
oct22704020664
96477851248
102534416820
111090680961
125a8930498
133150bc930
141a084d40c
15ec7784b5
hex971021b4

2534416820 has 48 divisors (see below), whose sum is σ = 5760892368. Its totient is φ = 931015680.

The previous prime is 2534416813. The next prime is 2534416823. The reversal of 2534416820 is 286144352.

It can be written as a sum of positive squares in 8 ways, for example, as 55771024 + 2478645796 = 7468^2 + 49786^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2534416823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26480 + ... + 75960.

It is an arithmetic number, because the mean of its divisors is an integer number (120018591).

Almost surely, 22534416820 is an apocalyptic number.

2534416820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2534416820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2880446184).

2534416820 is an abundant number, since it is smaller than the sum of its proper divisors (3226475548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2534416820 is a wasteful number, since it uses less digits than its factorization.

2534416820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49700 (or 49698 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 2534416820 is about 50342.9917664813. The cubic root of 2534416820 is about 1363.4085528421.

The spelling of 2534416820 in words is "two billion, five hundred thirty-four million, four hundred sixteen thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 197 260 394 788 985 1970 2561 3940 5122 10244 12805 25610 49481 51220 98962 197924 247405 494810 643253 989620 1286506 2573012 3216265 6432530 9747757 12865060 19495514 38991028 48738785 97477570 126720841 194955140 253441682 506883364 633604205 1267208410 2534416820